CBSE Class 10 Science MCQ

Which Acid is present in Tomato ?

• Citric Acid

• Oxalic Acid

• Lactic Acid

• HCl

Which Acid is a strong Acid in the following:

• HCl pH 1

• CH3COOH pH 5

• Lemon juice pH 2.2

• Pure Milk pH 6

Na2CO3.10H2O is known as-

• Baking Soda

• Baking Powder

• Washing Soda

• Bleaching Powder

pH value less than 7 indicates that the solution is –

• Acidic

• Basic

• Neutral

• No effect

Which salt is Neutral salt?

• NH4Cl

• CH3COONH4

• CH3COONa

• Na2CO3

Lactic Acid is present in-

• Orange

• Tea

• Curd

• Vinegar

Farmers neutralize the effect of Acidity on soil by adding

• Slaked Lime

• Gypsum

• Caustic Soda

• Baking Soda

Which of the following are present in a dilute Aqueous solution of Hydrochloric Acid?

• H3O + Cl-

• H3O + OH-

• Cl- + OH-

• Unionised HCl

CuSO4.5H2O In this Compound the water molecule is called -

• Pure Water

• Water of Crystallisation

• Soda Water

• None of these

Which of the following salts does not contain water of crystallization?

• Blue vitriol

• Baking soda

• Washing soda

• Gypsum